Home / 13,460,178.40-20,190,267.60-4,939,407.70

Finding the Fourth Proportional to 13,460,178.40, 20,190,267.60 and 4,939,407.70

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Solution

The fourth proportional to 13,460,178.40, 20,190,267.60 and 4,939,407.70 is: 7,409,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,178.40 : 20,190,267.60 = 4,939,407.70 : x
  2. Step 2: Convert to fraction form
    13,460,178.40/20,190,267.60 = 4,939,407.70/x
  3. Step 3: Cross multiply
    13,460,178.40x = 20,190,267.60 × 4,939,407.70
  4. Step 4: Simplify right side
    13,460,178.40x = 99,727,963,248,500.53
  5. Step 5: Solve for x
    x = 99,727,963,248,500.53/13,460,178.40
  6. Step 6: Final answer
    x = 7,409,111.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.